Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8643750 | Reducing noise in image sensors by concurrently reading reset and image signal levels from active and reference pixels | Chen Xu | 2014-02-04 |
| 8599284 | High dynamic range sub-sampling architecture | Chen Xu, Min Qu, Xiaodong Luo, Donghui Wu | 2013-12-03 |
| 8576979 | Arithmetic counter circuit, configuration and application for high performance CMOS image sensors | Chen Xu, Min Qu, Tiejun Dai, Rui Wang, Xiaodong Luo | 2013-11-05 |
| 8508629 | Analog row black level calibration for CMOS image sensor | Chen Xu | 2013-08-13 |
| 8466991 | Optical black pixel cell readout systems and methods | Chen Xu, Yandong Chen | 2013-06-18 |
| 8405747 | Analog row black level calibration for CMOS image sensor | Chen Xu | 2013-03-26 |
| 8390712 | Image sensing pixels with feedback loops for imaging systems | Chen Xu | 2013-03-05 |
| 8368789 | Systems and methods to provide reference current with negative temperature coefficient | Chen Xu | 2013-02-05 |
| 8324548 | Imaging devices and methods for charge transfer | Chen Xu | 2012-12-04 |
| 8288701 | Method and system for controlling power to pixels in an imager | Yandong Chen | 2012-10-16 |
| 8102451 | VLN biasing scheme to achieve low vertical shading for high-speed and large-format CMOS image sensors with top/bottom readout scheme | Yandong Chen | 2012-01-24 |
| 8089532 | Method and apparatus providing pixel-wise noise correction | Chen Xu | 2012-01-03 |
| 8077227 | Method and apparatus providing analog row noise correction and hot pixel filtering | Chen Xu | 2011-12-13 |
| 7924330 | Methods and apparatuses for double sided dark reference pixel row-wise dark level non-uniformity compensation in image signals | Chen Xu, Mei Yan | 2011-04-12 |
| 7746400 | Method, apparatus, and system providing multi-column shared readout for imagers | — | 2010-06-29 |